Question

1. which of the following is a correct order of the levels of organization from smallest to largest?

○ organ, cell, tissue, organ system, organism
○ cell, organ system, tissue, organ, organism
○ cell, tissue, organ, organ system, organism
○ population, community, organism, ecosystem, biosphere

Explanation:

To determine the correct order of biological organization from smallest to largest, we analyze each option:

• Option 1: Organ is larger than Cell and Tissue, so this order is incorrect.
• Option 2: Organ System is larger than Tissue and Organ, so this order is incorrect.
• Option 3: Cells are the basic unit, groups of cells form Tissues, groups of tissues form Organs, groups of organs form Organ Systems, and multiple organ systems form an Organism. This follows the correct hierarchy.
• Option 4: Organism is smaller than Population and Community, so this order (starting with Population) is incorrect for the given "smallest to largest" context (it's a higher - level ecological hierarchy and starts with a larger unit than Organism).

Answer:

C. Cell, Tissue, Organ, Organ System, Organism (assuming the third option is labeled C; if the original options had labels like A, B, C, D with the third being C, then the answer is C. Cell, Tissue, Organ, Organ System, Organism)